79968680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10691}}^1$

素因数の和:10730

約数の個数: 64

約数和(自身を含む): 207852480

約数和(自身を除く): 127883800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 10691, 21382, 42764, 53455, 85528, 106910, 117601, 181747, 213820, 235202, 363494, 427640, 470404, 588005, 726988, 908735, 940808, 1176010, 1453976, 1817470, 1999217, 2352020, 3634940, 3998434, 4704040, 7269880, 7996868, 9996085, 15993736, 19992170, 39984340, 79968680]

約数ペア:

[(1, 79968680), (2, 39984340), (4, 19992170), (5, 15993736), (8, 9996085), (10, 7996868), (11, 7269880), (17, 4704040), (20, 3998434), (22, 3634940), (34, 2352020), (40, 1999217), (44, 1817470), (55, 1453976), (68, 1176010), (85, 940808), (88, 908735), (110, 726988), (136, 588005), (170, 470404), (187, 427640), (220, 363494), (340, 235202), (374, 213820), (440, 181747), (680, 117601), (748, 106910), (935, 85528), (1496, 53455), (1870, 42764), (3740, 21382), (7480, 10691)]